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This nucleophilic addition is a reversible reaction but with aliphatic carbonyl compounds equilibrium is in favor of the reaction products. The cyanide source can be potassium cyanide (KCN), sodium cyanide (NaCN) or trimethylsilyl cyanide ((CH 3) 3 SiCN). With aromatic aldehydes such as benzaldehyde, the benzoin condensation is a competing ...
Acetone cyanohydrin (ACH) is an organic compound used in the production of methyl methacrylate, the monomer of the transparent plastic polymethyl methacrylate (PMMA), also known as acrylic. It liberates hydrogen cyanide easily, so it is used as a source of such.
The structure of a general cyanohydrin. In organic chemistry, a cyanohydrin or hydroxynitrile is a functional group found in organic compounds in which a cyano and a hydroxy group are attached to the same carbon atom. The general formula is R 2 C(OH)CN, where R is H, alkyl, or aryl.
Hofmann Isonitrile synthesis, Carbylamine reaction; Hofmann product; Hofmann rearrangement; Hofmann–Löffler reaction, Löffler–Freytag reaction, Hofmann–Löffler–Freytag reaction; Hofmann–Martius rearrangement; Hofmann's rule; Hofmann–Sand reaction; Homo rearrangement of steroids; Hooker reaction; Horner–Wadsworth–Emmons ...
The following other wikis use this file: Usage on azb.wikipedia.org استون سیانوهیدرین; Usage on cs.wikipedia.org Acetonkyanhydrin
In transhydrocyanation, an equivalent of HCN is transferred from a cyanohydrin, e.g. acetone cyanohydrin, to another activated HCN acceptor. The transfer is an equilibrium process, initiated by base. The reaction can be driven by trapping or a superior acceptor, such as an aldehyde. [9]
LiCN is produced from the reaction of lithium hydroxide and hydrogen cyanide. A laboratory-scale preparation uses acetone cyanohydrin as a surrogate for HCN: [5] (CH 3) 2 C(OH)CN + LiH → (CH 3) 2 CO + LiCN + H 2
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